Answer:
see the explanation
Step-by-step explanation:
we have
[tex]3(x+2)=9[/tex]
Divide by 3 both sides (division property of equality)
[tex]\frac{3(x+2)}{3}=\frac{9}{3}[/tex]
Simplify
[tex]x+2=3[/tex]
Subtract 2 both sides (subtraction property of equality)
[tex]x+2-2=3-2[/tex]
[tex]x=1[/tex]